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    Prerequisites for HACCP in small-scale poultry production

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    Authors
    Muchangos, A.
    Date
    2012-10
    Language
    en
    Type
    Thesis
    Accessibility
    Limited Access
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    Citation
    Muchangos, A. 2012. Prerequisites for HACCP in small-scale poultry production. MSc thesis in Veterinary Science. Pretoria, South Africa: University of Pretoria.
    Permanent link to cite or share this item: http://hdl.handle.net/10568/34230
    External link to download this item: http://upetd.up.ac.za/thesis/available/etd-06212013-152227/
    Abstract/Description
    Food borne diseases, and more especially diarrheal diseases, are an important cause of morbidity and mortality (WHO, 2007). Food borne diseases due to bacteria in the food usually manifest as episodes of gastro-intestinal disease (South African DVS, 2007). Most of food borne illnesses occurring annually are caused mainly by three bacteria; Campylobacter spp., nontyphoidal Salmonella serovars, and pathogenic Escherichia coli, including E. coli O157:H7 (Zhao et al, 2001; Mead, 2004). The prevalence of food borne pathogens and epidemiological knowledge of the extent, sources, and causative factors that lead to food borne illness remain unknown in many parts of the world. In most developing countries data are not collected on such a basis that an assessment of the amount of illness or the causes can be made, but food borne illness is probably second only to malnutrition as the cause of death among children (Lund et al, 2000). In Mozambique the situation is similar to other developing countries. The risk of eating poultry meat from formal and informal small scale producers processed in the formal abattoirs and at informal points of slaughter is unknown. However, the diarrheal diseases remain an important cause of mortalities according to data from the Mozambique National Ministry of Health. The objective of the study were to investigate and describe the value chains for small scale poultry production in Maputo, indicating possible stages at which there was the risk of a hazard that would influence the final product and estimate the magnitude of this risk by using microbiological risk assessment in poultry meat. It included the informal and formal producers and processors. In the study area it was estimated that only 40% of total poultry production was processed in the formally abattoirs. The remaining 47% were sold live and 13% processed by informal processors at point of sale if the customer asked for the fowl to be slaughtered. The method used was participatory risk analysis. The participants included state veterinary services, municipal health authorities, poultry farmers, poultry processors and vendors at live bird markets in Maputo. To quantify the magnitude and nature of the risks, microbiological risk assessment was used on water, equipment surfaces and hands of operatives (as a prerequisite to HACCP) and poultry carcases (at identified CCP’s during the slaughter and dressing of fowls). Samples of poultry carcasses, water and swabs from surfaces and hands of operatives, were taken from poultry farms, live bird markets and poultry abattoirs. The samples were sent for laboratory examination where the tests included E.coli and Coliform Count and Aerobic Plate Count to verify if the carcasses were produced in a hygienic manner and if the poultry processing was controlled adequately. The quality of the poultry carcasses collected from the three sectors was not satisfactory. Poultry meat from formal abattoirs was not found to be much safer than meat purchased at live bird markets and farms using informal slaughtering processes. To improve prerequisites, Hygiene Management Systems (HMS) and Hygiene Assessment Systems (HAS), using an appropriate audit system tailored to the type of processing (ie formal or informal) was proposed for all three value chains with a focus on critical control points.
    CGIAR Affiliations
    Agriculture for Nutrition and Health
    AGROVOC Keywords
    FOOD SAFETY
    Subjects
    FOOD SAFETY; POULTRY;
    Countries
    MOZAMBIQUE
    Regions
    AFRICA; SOUTHERN AFRICA
    Collections
    • ILRI supervised theses and dissertations [614]
    • Safe food, fair food [285]

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